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HIGH · 8.6

CVE-2020-3363

A vulnerability in the IPv6 packet processing engine of Cisco Small Business Smart and Managed Switches could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on ...

Vulnerability Description

A vulnerability in the IPv6 packet processing engine of Cisco Small Business Smart and Managed Switches could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to insufficient validation of incoming IPv6 traffic. An attacker could exploit this vulnerability by sending a crafted IPv6 packet through an affected device. A successful exploit could allow the attacker to cause an unexpected reboot of the switch, leading to a DoS condition. This vulnerability is specific to IPv6 traffic. IPv4 traffic is not affected.

CVSS Score

8.6

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
CiscoSg250X-24 Firmware-
CiscoSg250X-24-
CiscoSg250X-24P Firmware-
CiscoSg250X-24P-
CiscoSg250X-48 Firmware-
CiscoSg250X-48-
CiscoSg250X-48P Firmware-
CiscoSg250X-48P-
CiscoSg250-08 Firmware-
CiscoSg250-08-
CiscoSg250-08Hp Firmware-
CiscoSg250-08Hp-
CiscoSg250-10P Firmware-
CiscoSg250-10P-
CiscoSg250-18 Firmware-
CiscoSg250-18-
CiscoSg250-26 Firmware-
CiscoSg250-26-
CiscoSg250-26Hp Firmware-
CiscoSg250-26Hp-

Related Weaknesses (CWE)

CWE-20

References

FAQ

What is CVE-2020-3363?

CVE-2020-3363 is a vulnerability with a CVSS score of 8.6 (HIGH). A vulnerability in the IPv6 packet processing engine of Cisco Small Business Smart and Managed Switches could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on ...

How severe is CVE-2020-3363?

CVE-2020-3363 has been rated HIGH with a CVSS base score of 8.6/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-3363?

Check the references section above for vendor advisories and patch information. Affected products include: Cisco Sg250X-24 Firmware, Cisco Sg250X-24, Cisco Sg250X-24P Firmware, Cisco Sg250X-24P, Cisco Sg250X-48 Firmware.